RC3225F1962CS Equivalent & Substitute Parts

Part Overview

The RC3225F1962CS is a 19.6 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format. This component is rated for 0.333W (1/3W) power dissipation and is designed for moisture-resistant applications across industrial and commercial temperature ranges. The part maintains Active product status with 1099 units currently in stock.

Substitute parts become necessary when primary inventory is depleted, when design requirements permit higher power ratings, or when alternative supplier qualification is required for supply chain resilience. The RC3225F1962CS can be substituted with components that maintain identical electrical specifications while accommodating variations in power rating, package dimensions, and automotive qualification levels.

Substiute Parts

RC3225F1962CS

Samsung Electro-MechanicsIn Stock: 1176RC3225F1962CS Datasheet

Current PartRFQ

ERJ-14NF1962U

Panasonic Electronic ComponentsIn Stock: 10745ERJ-14NF1962U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F1962CS is determined by strict adherence to the following parameters:

Critical Matching Requirements:

• Resistance value must be exactly 19.6 kOhms
• Tolerance must be ±1% or tighter
• Package must be 1210 (3225 Metric) for PCB footprint compatibility
• Composition must be thick film to maintain electrical performance characteristics
• Temperature coefficient must be ±100ppm/°C or better
• Operating temperature range must encompass -55°C to 155°C
• RoHS3 compliance is mandatory for regulatory alignment

Flexible Parameters:

• Power rating may exceed 0.333W (1/3W) without functional impact, as higher ratings provide additional thermal margin
• Packaging format (bulk vs. tape & reel) does not affect electrical substitution validity
• Product status variations (Active vs. Not For New Designs) are noted for design planning but do not prevent substitution
• Automotive qualification (AEC-Q200) is an additional feature that does not preclude use in non-automotive applications

The ERJ-14NF1962U from Panasonic Electronic Components qualifies as a direct substitute based on matching all critical parameters while offering an elevated 0.5W (1/2W) power rating.

Parameter Comparison

Engineering Selection Recommendations

RC3225F1962CS (Samsung Electro-Mechanics): Select this part when Active product status and current inventory availability are prioritized. The component is in full production with 1099 units in stock, ensuring supply continuity for immediate procurement needs. This part is suitable for new designs and ongoing production runs.

ERJ-14NF1962U (Panasonic Electronic Components): This substitute is applicable when higher power dissipation margin is beneficial or when Panasonic supplier qualification is required. The elevated 0.5W rating provides additional thermal headroom in applications approaching the 0.333W limit. The AEC-Q200 automotive qualification adds value for automotive-grade applications, though the part carries "Not For New Designs" status, indicating it is maintained for legacy support and existing production lines. This part is suitable for replacement in fielded equipment or when design flexibility permits use of automotive-qualified components in non-automotive applications.

Both parts maintain identical electrical performance, regulatory compliance, and physical compatibility within PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-14NF1962U replace the RC3225F1962CS in new designs?

A: Electrically and mechanically, yes. The ERJ-14NF1962U meets all critical substitution parameters. However, the "Not For New Designs" status indicates Panasonic's recommendation against incorporating this part into new product development. The RC3225F1962CS is the preferred choice for new designs due to its Active status.

Q: What is the significance of the higher 0.5W power rating on the ERJ-14NF1962U?

A: The 0.5W rating on the ERJ-14NF1962U exceeds the 0.333W requirement of the RC3225F1962CS. This provides additional thermal margin and does not create incompatibility. In applications where the resistor dissipates power near the 0.333W limit, the higher rating reduces thermal stress and extends component life.

Q: Are the physical dimensions interchangeable?

A: Yes. Both parts use the 1210 (3225 Metric) package. The length is identical at 0.126" (3.20mm). Width varies by 0.002" (0.05mm) and height by 0.002" (0.04mm), which are negligible variations within standard PCB assembly tolerances and do not affect footprint compatibility.

Q: What does AEC-Q200 qualification mean for non-automotive applications?

A: AEC-Q200 is an automotive industry standard for discrete semiconductors and passive components. Compliance indicates the part has undergone rigorous reliability testing. For non-automotive applications, AEC-Q200 qualification is an additional assurance of quality but is not required. The ERJ-14NF1962U can be used in non-automotive designs without restriction.

Q: Why is the RC3225F1962CS preferred if both parts are electrically equivalent?

A: The RC3225F1962CS maintains Active product status, indicating ongoing production and long-term availability. The ERJ-14NF1962U is marked "Not For New Designs," signaling that Panasonic is transitioning away from this part number. For new product development, the RC3225F1962CS ensures supply chain stability and manufacturer support throughout the product lifecycle.

Q: Are there differences in moisture sensitivity handling?

A: No. Both parts carry MSL 1 (Unlimited) rating, meaning they have unlimited shelf life and require no special moisture control during storage or handling. This is the most favorable moisture sensitivity classification.

Q: Can these parts be used interchangeably in existing production?

A: Yes, provided the design has been validated for the substitute part. The electrical and mechanical compatibility is confirmed. However, any substitution in production should follow established change control procedures and may require re-qualification testing depending on application criticality.